Attributes

Brand	-
Category	Robotics / STEM Teaching Tools / Sensors
Origin	-
Sensor Resolution	32 x 24 pixels
Field of View (FOV)	50° x 35°
Temperature Range	-40°C to +85°C (Object), -40°C to +125°C (Ambient)
Accuracy	±2°C or ±2% of reading
Interface	I2C / SMBus
Supply Voltage	3.3V DC
Package Type	TO-39 Metal Can
Refresh Rate	Up to 64 Hz
Spectral Band	5.5 µm to 14 µm
Operating Current	Typical 3.5 mA at 3.3V

6 reviews

Anonymous

Mar 30, 2026

Rating: 3/5

Works well but sensitive to noise

The sensor functions as advertised, but I had to add extra filtering to my power supply to reduce noise in the readings. Once sorted, the output is clean. Just be mindful of your circuit design.

Anonymous

Mar 25, 2026

Rating: 5/5

Excellent resolution for the price point

This sensor module works flawlessly with my Raspberry Pi project. The 32x24 resolution provides enough detail for basic thermal mapping without breaking the bank. Integration was straightforward using the provided libraries.

Anonymous

Mar 23, 2026

Rating: 5/5

Best entry-level thermal sensor

Compared to other sensors in this category, the MLX90642 offers superior image clarity. It handles ambient temperature changes very well. Highly recommended for anyone starting with thermal imaging.

Anonymous

Mar 15, 2026

Rating: 4/5

Good performance, needs calibration

The sensor is responsive and fast. I did notice it needed a brief warm-up period to stabilize readings, but once calibrated, the temperature data is quite consistent. Great for hobbyist thermal cameras.

Anonymous

Mar 10, 2026

Rating: 5/5

Perfect for obstacle detection

We integrated this into our autonomous robot for heat signature detection. The refresh rate is impressive, allowing for real-time processing. The I2C interface makes it easy to connect to our microcontroller.

Anonymous

Mar 08, 2026

Rating: 4/5

Solid build quality

The TO-39 package feels robust. It survived a few accidental drops during prototyping. The only downside is that the documentation could be slightly more detailed for beginners, but community forums helped.

5 FAQ

Q: What is the maximum distance this sensor can accurately measure?

A: The effective distance depends on the size of the object. For a human-sized object, it can detect heat signatures up to several meters away, but accuracy decreases as the object fills fewer pixels in the 32x24 matrix.

Q: Is there a Python library available for this sensor?

A: Yes, there are several open-source Python libraries available for Raspberry Pi and other Linux-based systems that support the Melexis MLX90642 series. Check our GitHub repository for links.

Q: Is this module compatible with Arduino Uno?

A: Yes, the MLX90642 is fully compatible with Arduino Uno via the I2C interface. You will need to use a 3.3V logic level shifter if your board does not support 3.3V logic natively.

Q: Does this come with a lens attached?

A: Yes, the MLX90642ESF-BCB/BCA module comes with a standard silicon lens pre-installed, providing a 50° x 35° field of view out of the box.

Q: Can I use this outdoors in direct sunlight?

A: While the sensor can operate outdoors, direct sunlight may affect accuracy due to solar radiation in the infrared spectrum. We recommend using a shade or housing for outdoor applications to ensure precise readings.

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